The Tyre Soldier blog
Tyre facts, maintenance tips and the odd bit of news commentary, from a working mobile fitter covering Tayside, Perthshire and Fife.
TPMS Fitting: Why the Sensor Needs Resetting Every Time
Tyre pressure sensors need resetting or replacing at almost every tyre change. Here's what TPMS fitting actually involves and why it's easy to miss.
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Run-Flat Tyre Fitting: What It Actually Involves
Run-flat tyres need different equipment, more care on the machine, and a TPMS check every time. Here's what happens during a proper run-flat fitting.
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EV Tyre Fitting: What's Actually Different
Electric cars are heavier and quieter than petrol cars, and that changes what tyre they need and how it should be fitted. Here's what to know.
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How Tyres Actually Grip the Road
Grip is not glue. Here are the four real mechanisms, mechanical keying, molecular adhesion, hysteresis and contact area, that let a tyre hold the road.
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Tyre Pressure Tips for Tayside Drivers
Simple tyre pressure checks for Dundee, Perthshire and Fife drivers, including when to check, what to look for, and why it matters.
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Tyre Tread Depth Guide for Tayside Roads
Know the legal tread limit, how to check it at home, and when to replace tyres for safer driving around Tayside, Perthshire and Fife.
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Pothole Tyre Damage: What to Check First
Potholes can damage tyres, wheels and suspension. Learn the checks to make after a hit on Tayside, Perthshire and Fife roads.
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The Entire Car Rides on Four Postcards
A car's whole contact with the road is four patches of rubber about the size of a postcard each. Here's why that matters.
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F1 Tyres Can Out-Grip the Human Body
F1 tyres generate so much grip the driver blacks out from G-forces before the rubber runs out of traction.
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Why Tyres Matter More Than Horsepower
A 500 hp car on poor tyres can be slower than a 250 hp car on great ones. Grip decides what your engine can actually do.
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The Pneumatic Tyre Was Invented Twice
Robert William Thomson patented the pneumatic tyre in 1845. It was ignored. Dunlop reinvented it in 1888 and got the credit.
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What Is Actually in a Modern Tyre
A modern tyre has over 100 ingredients, sometimes 200 plus. Here's what's really built into every tyre we fit.
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Why Tyres Are Black: Carbon Black Explained
How carbon black turned pale, fast wearing rubber into the durable black tyres fitted on every vehicle today.
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What Tyre Tread Patterns Are Really For
Tread grooves aren't about grip on dry roads, they move water. Here's what tyre tread is actually designed to do and why it matters.
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The Physics of Aquaplaning
Aquaplaning happens when your tyres ride up on water and lose contact with the road. Here's why it happens and what stops it.
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How Air Pressure Carries Your Car
It's the air inside your tyres, not the rubber, that holds your car up. Here's why pressure matters more than most drivers think.
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Why Run-Flat Tyres Ride Harsher
Run-flat tyres let you keep driving after a puncture, but their reinforced sidewalls trade comfort, noise and cost for that peace of mind.
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How Radial Tyres Changed Driving
Radial construction replaced bias-ply tyres from the 1940s onward, improving grip, fuel economy, comfort and tyre life. Here's why it mattered.
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Why F1 Tyres Are Built to Wear Out
F1 tyres are engineered to degrade on purpose. Here's why that's the whole point of the sport, and what it has to do with your own tyres.
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The Hidden R&D Behind Every Tyre
A single tyre design can cost hundreds of millions to develop. Here's why the price on the shelf rarely tells that story.
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The Silica Breakthrough in Tyre Compounds
How silica compounds let tyres grip better in the wet and roll more efficiently, two things engineers used to have to trade off.
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The Engineering of a Tyre Sidewall
A tyre sidewall absorbs potholes, flexes through corners and survives half a billion bends over its life. Here's the engineering behind it.
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Why New Tyres Go on the Rear Axle
Confused why your fitter put the new tyres on the back? Here's the safety logic behind it, whatever you drive.
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Does Nitrogen in Tyres Actually Help
Green valve caps and nitrogen fills get sold as an upgrade. Here's what nitrogen actually does to your tyres, and what it doesn't.
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Why Tyres Have Memory
Rubber doesn't spring back instantly after it's squashed. Here's why that quirk, called viscoelasticity, shapes how your tyres grip, ride and wear.
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The World's Largest Tyres: Mining Giants
Mining haul truck tyres stand over 4 metres tall and weigh around 5 tonnes. Here's what it takes to build and fit a tyre that size.
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Are Airless Tyres the Future?
Michelin and others are developing airless tyres with flexible spokes instead of air. Here's what's promising and what's still holding them back.
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A Tyre Is a Controlled Failure
Every tyre is engineered right on the edge of destruction, yet survives tens of thousands of miles. Here's how that actually works.
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